“hristmas tree / production tree”的概念、定义、翻译、参考文献-科学参考

单词	hristmas tree / production tree
释义	hristmas tree / production tree Encyclopedia 理学水下油气生产系统释 hristmas tree / production tree采油树位于油井顶端开口处的一个组件。它将来自井下的生产管道与出油管连接在一起，同时作为油井顶端和外部环境隔绝开的重要屏障。原称十字树、X型树或者圣诞树。
随便看	norm condition norm conserving pseudopotential norm-conserving pseudopotential norm convergence normcurve normed normed algebra normed algebra with involution normed Banach bimodule normed Banach module normed field normed form normed lattice normed linear space normed module normedness normed random variable normed residue normed ring normed space normed star algebra normed vector space norm factor group norm form norm form equation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。